E.F. IGES - The Crystal Cave
Original title: This is E.F. IGES - Interactive Game Editor System
Alternative title: Kristallgrotte_ Die  (German)
Platform: Commodore 64
Region: PAL
Gametype: Licensed
Release Year: 1984
Developer: Ariolasoft
Publisher: Ariolasoft
Programmer: Andreas Stein, Timo Kissel
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Released in 1984 by Ariolasoft and programmed by Andreas Stein & Timo Kissel.

The objective seems to be to collect as many crystals as you can find whilst shooting through walls and dodging marauding bowling-balls, flags, and other oddities.

Pressing fire whilst in front of electrical fields teleports you to a random place.
